Senior Water & Wastewater Analyst (NABL Laboratory)

Company: Hiyoshi India Ecological Services Pvt. Ltd.
Job Type: Full time
Experience: Minimum 2+ Years (Mandatory)
Location: Chennai, Tamil Nadu

Job Summary

We are looking for an experienced Senior Water & Wastewater Analyst with hands-on experience in a NABL-accredited environmental laboratory. The ideal candidate should have strong technical knowledge of water and wastewater analysis, NABL/ISO 17025 documentation, quality systems, and operation of analytical instruments.

Key Responsibilities
- Perform physical and chemical analysis of water and wastewater samples as per IS, APHA, and NABL requirements.
- Operate and maintain laboratory instruments such as ICP-OES, UV-Vis Spectrophotometer, TOC Analyzer, BOD Incubator, COD Reactor, pH Meter, Conductivity Meter, Turbidity Meter, Titration Systems, and other analytical equipment.
- Prepare standards, reagents, and calibration solutions.
- Perform instrument calibration, quality control (QC), and method validation activities.
- Maintain NABL documentation, test records,



worksheets, and SOPs in compliance with ISO/IEC 17025 requirements.
- Review analytical results and ensure accuracy before reporting.
- Participate in internal audits, proficiency testing (PT), and corrective actions.
- Ensure laboratory safety, housekeeping, and proper sample handling.
- Train and guide junior analysts whenever required.

Requirements
- Qualification: B.Sc./M.Sc. Chemistry, Environmental Science, Analytical Chemistry, or related discipline.
- Experience: Minimum 2 years in a NABL-accredited Water & Wastewater Testing Laboratory.
- Strong knowledge of APHA, IS methods, ISO/IEC 17025, QA/QC, and laboratory documentation.
- Experience in heavy metals analysis and environmental testing will be an added advantage.
- Good analytical, documentation, and communication skills.

Preferred Skills
- Experience with LIMS software.
- Knowledge of method validation and uncertainty calculations.

📌 Senior Analyst (Tharamani)
🏢 Hiyoshi India Ecological Services
📍 Tharamani